Homeowners in Washington County, Idaho paid a median $1,371 a year in property tax on a median home worth $278,100, an effective rate of about 0.49% (Census 2020–2024).
0.49%Idaho statewide · US 0.94%
How Washington County compares
Effective rate (median tax ÷ median value)
Median tax paid per year
Tax on a home here
At the local 0.49% effective rate
| Home value | Estimated yearly tax | Per month |
|---|---|---|
| $150,000 | $739 | $62 |
| $250,000 | $1,232 | $103 |
| $350,000 | $1,725 | $144 |
| $500,000 | $2,465 | $205 |
Cities and towns in Washington County
| Place | Median tax | Median value | Rate |
|---|---|---|---|
| Weiser | $1,384 | $223,400 | 0.62% |
Buying a home in Washington County? 2026 loan limits
Related
- Idaho property tax by countyall counties ranked
- Benewah County, ID0.49% effective
- Butte County, ID0.49% effective
- Shoshone County, ID0.50% effective
- Madison County, ID0.48% effective
- Bingham County, ID0.50% effective
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, tables B25103 (median real estate taxes paid), B25077 (median home value), B25003, B25088, B19013 and B01003. These are 2020–2024 medians reported by owner-occupants, not 2026 tax bills or official mill rates. The effective rate here is median tax ÷ median home value. Actual bills depend on assessed value, exemptions (homestead, senior, veteran) and local levies. Check with your county assessor or treasurer. Not tax advice.
Major Cities & Counties in Idaho
Largest by population (Census ACS 2020–2024). Property tax for each:
- Boise City pop. 237,242
- Meridian pop. 130,138
- Nampa pop. 110,319
- Idaho Falls pop. 67,725
- Caldwell pop. 66,516
- Pocatello pop. 57,635
- Coeur d'Alene pop. 56,447
- Twin Falls pop. 54,164
- Post Falls pop. 43,391
- Rexburg pop. 40,543
- Ada County pop. 518,935
- Canyon County pop. 250,790
- Kootenai County pop. 181,996
- Bonneville County pop. 129,523
- Twin Falls County pop. 93,734
- Bannock County pop. 89,454
- Madison County pop. 54,618
- Bonner County pop. 51,049
- Bingham County pop. 49,664
- Nez Perce County pop. 42,697
Frequently asked questions
What is the property tax rate in Washington County, Idaho?
Homeowners in Washington County, Idaho paid a median $1,371 a year in property tax on a median home worth $278,100, an effective rate of about 0.49% (Census 2020–2024).
How much is property tax on a $300,000 home in Washington County?
About $1,479 a year ($123 a month) at the 0.49% median effective rate. Your bill depends on assessed value and exemptions.
Is Washington County property tax high?
It ranks #28 lowest of 44 Idaho counties. The state median effective rate is 0.49% and the US rate is 0.94%.
Where do I pay property tax in Washington County?
Bills are issued and collected by the Washington County treasurer or tax collector, based on values set by the county assessor.